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Measuring quality

BMJ 2009; 338 doi: https://doi.org/10.1136/bmj.b1356 (Published 02 April 2009) Cite this as: BMJ 2009;338:b1356

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: April 2009 to October 2020

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AbstractFullPdf
Apr 2009133017190
May 200975770
Jun 200947600
Jul 200928350
Aug 200914170
Sep 20097180
Oct 20095120
Nov 20095140
Dec 20093220
Jan 201011170
Feb 20104140
Mar 20101190
Apr 20105230
May 2010390
Jun 20101110
Jul 2010390
Aug 20103150
Sep 2010255
Oct 2010366
Nov 20102102
Dec 2010260
Jan 2011660
Feb 2011250
Mar 2011120
Apr 2011230
May 2011060
Jun 2011450
Jul 2011340
Aug 2011420
Sep 2011250
Oct 2011160
Nov 2011260
Dec 2011070
Jan 2012330
Feb 2012230
Mar 2012310
Apr 2012100
May 2012620
Jun 2012280
Jul 2012430
Aug 2012080
Sep 2012090
Oct 2012020
Nov 2012030
Dec 2012030
Jan 2013040
Feb 201301980
Mar 2013050
Apr 2013020
May 2013010
Jun 2013080
Jul 20130110
Aug 2013150
Sep 2013030
Oct 2013030
Nov 2013160
Dec 2013030
Jan 2014050
Feb 2014080
Mar 20140130
Apr 20140130
May 20140150
Jun 2014030
Jul 20140100
Aug 2014040
Sep 20140110
Oct 2014020
Nov 2014030
Jan 2015020
Feb 2015020
Mar 2015010
Apr 2015040
May 2015010
Jun 2015011
Jul 2015030
Aug 2015070
Sep 2015040
Oct 2015010
Nov 2015010
Dec 2015060
Jan 2016020
Feb 2016010
Mar 2016040
Apr 2016040
Jul 2016020
Aug 2016010
Sep 20160110
Oct 2016040
Nov 2016090
Dec 2016010
Jan 2017070
Feb 2017090
Mar 20170110
Apr 2017060
May 2017050
Jun 20170140
Jul 2017080
Aug 20170100
Sep 2017070
Oct 2017090
Nov 2017020
Dec 20170120
Jan 2018080
Feb 2018050
Mar 2018090
Apr 2018170
May 20182130
Jun 20181170
Jul 2018120
Aug 2018140
Sep 2018150
Oct 2018110
Nov 2018040
Dec 2018030
Jan 2019030
Feb 2019030
Mar 2019020
Apr 2019030
May 2019120
Jul 2019050
Aug 2019010
Sep 2019030
Oct 2019020
Nov 2019070
Dec 20192210
Jan 2020080
Feb 2020040
Mar 2020030
Apr 2020030
May 20204300
Jun 2020050
Jul 2020060
Aug 20204370
Sep 2020170
Oct 2020070
Total1624296814